Home / 8,480.93-12,717.35-3,800.98

Finding the Fourth Proportional to 8,480.93, 12,717.35 and 3,800.98

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Solution

The fourth proportional to 8,480.93, 12,717.35 and 3,800.98 is: 5,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.93 : 12,717.35 = 3,800.98 : x
  2. Step 2: Convert to fraction form
    8,480.93/12,717.35 = 3,800.98/x
  3. Step 3: Cross multiply
    8,480.93x = 12,717.35 × 3,800.98
  4. Step 4: Simplify right side
    8,480.93x = 48,338,329.94
  5. Step 5: Solve for x
    x = 48,338,329.94/8,480.93
  6. Step 6: Final answer
    x = 5,699.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.